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The impact of technology parameters on the performance of common-Gate LNAs

: Stücke, T.; Christoffers, N.; Kokozinski, R.; Kolnsberg, S.; Hosticka, B.J.

Napieralski, A.:
International Conference Mixed Design of Integrated Circuits and Systems, MIXDES 2006. Proceedings : Gdynia, Poland, 22 - 24 June, 2006
Gdynia, 2006
ISBN: 83-922632-1-9
International Conference Mixed Design of Integrated Circuits and Systems (MIXDES) <13, 2006, Gdynia>
Conference Paper
Fraunhofer IMS ()
common-gate LNA; technology limit; intrinsic and extrinsic parasitic

In this paper the impact of short channel effects on the performance of common-gate LNAs (CG-LNAs) is presented. It based on the modeling the MOSFET behavior including its intrinsic and extrinsic parasitics in all possible regions of operation. Characteristic performance figures of the used CMOS technology are defined and the bias dependent minimum input reflection coefficient and noise figure is determined. The paper shows furthermore the advantage of biasing the CG-LNA in the moderate inversion region.